| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Chem | China national standards | MT | 915.56 | USD | 20251015 |
| Sinopec | China national standards | MT | 993.03 | USD | 20251015 |
| Shanghai Guoke | China national standards | MT | 1278.96 | USD | 20251015 |
| Jinan Angxin Chem | China national standards | MT | 993.03 | USD | 20251015 |
| Shandong Xima | China national standards | MT | 887.39 | USD | 20251015 |
| Shandong Qiangsen Chem | China national standards | MT | 929.64 | USD | 20251015 |
| Shandong Qiangsen Chem | China national standards | MT | 929.64 | USD | 20251015 |
| Lihuayi Weiyuan Chem | China national standards | MT | 943.73 | USD | 20251015 |
| Shandong Junfeng | China national standards | MT | 1056.41 | USD | 20251015 |
| Shandong Junfeng | China national standards | MT | 915.56 | USD | 20251015 |